Question: What is the prefecture of Japan that contains administrative territorial entity of Osaka
Paraphrase: What is the prefecture of Japan that contains authoritative regional substance of Osaka
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P150 wd:Q35765 . ?sbj wdt:P31 wd:Q50337 } 
Answer: Ōsaka Prefecture